/* vi: set sw=4 ts=4: */
+/*
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+#include "busybox.h"
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <math.h>
-#include "busybox.h"
/* Tiny RPN calculator, because "expr" didn't give me bitwise operations. */
print_base(stack[pointer-1]);
}
-static void print(void)
-{
- print_base(pop());
-}
-
struct op {
const char *name;
void (*function) (void);
double d;
const struct op *o = operators;
- if (argument == 0) {
- print();
+ if (argument == 0)
return;
- }
d = strtod(argument, &endPointer);
}
o++;
}
- bb_error_msg_and_die("%s: syntax error.", argument);
+ bb_error_msg_and_die("%s: syntax error", argument);
}
/* return pointer to next token in buffer and set *buffer to one char
*/
static char *get_token(char **buffer)
{
- char *start = NULL;
- char *current = *buffer;
+ char *start = NULL;
+ char *current;
- while (isspace(*current)) { current++; }
+ current = skip_whitespace(*buffer);
if (*current != 0) {
start = current;
while (!isspace(*current) && *current != 0) { current++; }
char *line = NULL;
char *cursor = NULL;
char *token = NULL;
- while ((line = bb_get_chomped_line_from_file(stdin))) {
+ while ((line = xmalloc_getline(stdin))) {
cursor = line;
len = number_of_tokens(line);
for (i = 0; i < len; i++) {
argc--;
}
}
- stack_machine(0);
return EXIT_SUCCESS;
}